aperture ratio

aperture ratio
1) светосила (объектива)
2) формат изображения (телевизионного)

Англо-русский словарь по вычислительной технике и информационным технологиям - 4-е изд.. .

Игры ⚽ Нужен реферат?

Смотреть что такое "aperture ratio" в других словарях:

  • aperture ratio — santykinė apertūra statusas T sritis fizika atitikmenys: angl. aperture ratio; relative aperture vok. Öffnungsverhältnis, n; relative Apertur, f rus. относительная апертура, f pranc. ouverture relative, f …   Fizikos terminų žodynas

  • aperture ratio — noun : relative aperture * * * Optics. See relative aperture. [1885 90] …   Useful english dictionary

  • aperture ratio — Optics. See relative aperture. [1885 90] * * * …   Universalium

  • Aperture ratio — Апертура …   Краткий толковый словарь по полиграфии

  • Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …   Wikipedia

  • Aperture-to-medium coupling loss — In telecommunication, aperture to medium coupling loss is the difference between the theoretical gain of a very large antenna, such as the antennas in beyond the horizon microwave links, and the gain that can be realized in practice. Note 1:… …   Wikipedia

  • relative aperture — santykinė apertūra statusas T sritis fizika atitikmenys: angl. aperture ratio; relative aperture vok. Öffnungsverhältnis, n; relative Apertur, f rus. относительная апертура, f pranc. ouverture relative, f …   Fizikos terminų žodynas

  • Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… …   Wikipedia

  • Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… …   Wikipedia

  • relative aperture — Optics. the ratio of the diameter of a lens, esp. a camera lens, to the focal length; the reciprocal of the f number or focal ratio of the lens. * * * ▪ optics       the measure of the light gathering power of an optical system. It is expressed… …   Universalium

  • relative aperture — noun : a measure of the angle of the cone of light rays from an object that traverse an optical system; specifically : the effective aperture of a camera lens expressed as a fraction of its focal length with the symbol f being used instead of 1… …   Useful english dictionary


Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»